Home / 18,383.36-27,575.92-5,236.64

Finding the Fourth Proportional to 18,383.36, 27,575.92 and 5,236.64

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Solution

The fourth proportional to 18,383.36, 27,575.92 and 5,236.64 is: 7,855.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,383.36 : 27,575.92 = 5,236.64 : x
  2. Step 2: Convert to fraction form
    18,383.36/27,575.92 = 5,236.64/x
  3. Step 3: Cross multiply
    18,383.36x = 27,575.92 × 5,236.64
  4. Step 4: Simplify right side
    18,383.36x = 144,405,165.71
  5. Step 5: Solve for x
    x = 144,405,165.71/18,383.36
  6. Step 6: Final answer
    x = 7,855.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.